| Friday, August 29th, 1980 | Placed SP David Valle on the 15-day disabled list. | Saturday, August 16th, 1980 | Activated SS Eric Savage from the disabled list. | Wednesday, July 30th, 1980 | Placed SS Eric Savage on the 15-day disabled list. | Saturday, July 12th, 1980 | Placed 1B Andrew Armstrong on the 15-day disabled list. | Friday, May 16th, 1980 | Activated RF Joe Wright from the disabled list. | Tuesday, April 29th, 1980 | Received SP Joe Wells from Major League Level Phoenix. | Saturday, April 26th, 1980 | Placed RF Joe Wright on the 15-day disabled list. | |
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